Industrialization 50 years earlier.

Let's say that the Bessemer steel and steam power came during the 18th century, 50 years before OTL. How would that affect events during the 18th and 19th centuries?
 
Let's say that the Bessemer steel and steam power came during the 18th century, 50 years before OTL. How would that affect events during the 18th and 19th centuries?

How?

Because the answer to 'how' probably dictates a lot of the consequences.
 
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